Vulnerability Details CVE-2026-35092
A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol (UDP) packets. This can cause the service to crash, leading to a denial of service. This vulnerability specifically affects Corosync deployments configured to use totemudp/totemudpu mode.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 22.3%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2026-35092
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cpe:2.3:a:corosync:corosync:-
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cpe:2.3:a:redhat:openshift:4.0
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cpe:2.3:o:redhat:enterprise_linux:10.0
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cpe:2.3:o:redhat:enterprise_linux:7.0
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cpe:2.3:o:redhat:enterprise_linux:8.0
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cpe:2.3:o:redhat:enterprise_linux:9.0